Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectLower Granite
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateMay 1, 2024
Total Run Period (Mar 27 - Jul 1)
TDG Percent Exposure Index123.03 %
Percent of Fish Exposed71.9 %
Number of Days Fish Exposed51
Middle 80% of Run Period (May 7 - Jun 20)
TDG Percent Exposure Index124.32 %
Percent of Fish Exposed84.1 %
Number of Days Fish Exposed38
Middle 50% of Run Period (May 15 - Jun 12)
TDG Percent Exposure Index124.71 %
Percent of Fish Exposed91.8 %
Number of Days Fish Exposed27
Run Dates
First Day of RunMar 27
5% of Run passedMay 4
10% of Run passedMay 7
50% of Run passedMay 27
90% of Run passedJun 20
95% of Run passedJun 23
Last Day of RunJul 1
Date(s) When TDG Percent Crosses 120 %
Apr 6, Apr 7, Apr 14, Apr 24, May 5, Jun 7, Jun 9, Jun 16

1. Total Run Analyzed [99.95] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.